搜索结果: 1-15 共查到“光信息技术 signals”相关记录36条 . 查询时间(0.089 秒)
Simultaneous Generation and Transmission of 60-GHz RF and Baseband Signals Employing Only a Simple Single Electrode MZM
Simultaneous Generation Transmission Baseband Signals Employing Only Simple Single Electrode MZM
2015/7/15
Employing only a simple single electrode MZM, a novel hybrid access network, which is capable of generating and transmitting RF-vector (2.5-Gb/s QPSK at 60GHz) and baseband signals (1.25-Gb/s OOK) sim...
Comprehensive analyses based on the rigorous vector diffraction theory were used to simulate the polarized readout signals using a solid immersion lens (SIL) in reading phase change (PC) disks. For an...
We experimentally demonstrate a simultaneous generation of baseband (BB) and RF signals, using only one single-electrode Mach–Zehnder modulator (SD-MZM) based
on double-sideband with optical carrier ...
50 GHz Spaced 4 × 40 Gbit/s WDM Transmission over 700 km Using 6 ps Bandlimited RZ Signals
Telecommunications Fiber Optics Communications Wavelength Division Multiplexing (WDM) Optical Time Division Multiplexing (OTDM)
2011/9/30
In this paper, we present 50 GHz spaced 4 ×40 Gbit/s WDM transmission over 700 km using SMF-based Effective Area Enlarged Positive Dispersion Fiber in a recirculating loop. The paper uses bandlimited ...
A compact polarization-diversity self-coherent receiver with reduced complexity is proposed. Requirements on input polarization tracking is relaxed by a variant CMA equalizer. Ex-periments are perform...
Integrated-optic demultiplexers for optical OFDM signals
Integrated optics devices Optical communications
2011/5/26
We review recent progress on our integrated-optic OFDM demultiplexers fabricated with silica PLC technology. We detail the configuration, operating principle, and characteristics of the demultiplexers...
Transmission of Multi-Band OFDM-UWB Signals along NG-FTTH Networks using Directly Modulated Lasers
Modulation Optical communications
2011/5/26
Transmission of multi-band OFDM-UWB signals along FTTH networks using directly modulated lasers is experimentally evaluated. Reach of 100 km of standard SMF is achieved with a BER below 10 -4 and an O...
Photonic chip based all-optical XOR gate for phase-encoded signals
Nonlinear optical signal processing Nonlinear optics devices
2011/5/25
We demonstrate error-free, no power penalty, all-optical XOR operation for 40 Gbit/s phase-encoded signals in a highly-nonlinear photonic chip. This scheme exploits the Kerr nonlinearity in a dispersi...
Polarization Insensitive and Subchannel-preserved Wavelength Conversion of 432-Gb/s Polarization Multiplexed O-OFDM QPSK Signals Using Co-polarization Pumps
Polarization Insensitive Subchannel-preserved Wavelength Conversion Polarization Multiplexed O-OFDM QPSK Signals Co-polarization Pumps
2011/5/21
By employing co-polarization dual-pump scheme, polarization insensitive and subchannel-preserved wavelength conversion of 432-Gb/s, dual-peak polarization-multiplexed O-OFDM QPSK signals has been real...
Parametric Amplification of 112 Gbit/s Polarization Multiplexed DQPSK Signals in a Fiber Loop Configuration
Parametric Amplification Polarization Multiplexed DQPSK Signals Fiber Loop Configuration
2011/5/21
Parametric amplification of 112-Gbit/s-33%-RZ-DQPSK signals with 20 dB on-off- gain is shown using highly nonlinear fiber in a polarization diversity configuration. The measured OSNR penalty at a BER ...
Bit-error Rate Performance of Nyquist Wavelength-Division Multiplexed Quadrature Phase-Shift Keying Optical Signals
Coherent communications Multiplexing Optical communications
2011/5/20
We measure bit-error rates of polarization-multiplexed Nyquist-WDM QPSK signals,which have rectangular spectral shapes and channel spacing equal to the symbol rate. The spectral efficiency of 4 bit/s/...
Complete Mitigation of Brillouin Scattering Effects in Reflective Passive Optical Networks using Triple-Format OFDM Radio Signals
Brillouin Scattering Effect Passive Optical Network Triple-Format OFDM Radio Signals
2011/5/18
Brillouin scattering is identified as a severe limitation in narrow line-width,bi-directional reflective systems. A spectrum management mitigation technique for triple-format OFDM signals is demonstra...
Generation of frequency symmetric signals from a BPSK input for Phase Sensitive Amplification
Nonlinear optics four-wave mixing All-optical networks
2010/6/10
We report a novel system for simultaneous carrier recovery and frequency symmetric signals generation from a NRZ-BPSK input by exploiting FWM in HNLF for phase sensitive amplification.
All-Optical Wavelength Conversion of 56 Gbit/s NRZ- DQPSK Signals in Silicon-Organic Hybrid Strip Waveguides
Wavelength conversion devices Harmonic generation mixing
2010/6/9
All-optical wavelength conversion of 56 Gbit/s NRZ-DQPSK based on four-wave mixing is demonstrated in a silicon-organic hybrid strip waveguide operated in TM mode.
Quantum Dot SOA Dynamic Range Improvement for Phase Modulated Signals
Quantum dot devices Phase modulation
2010/6/8
A 10 dB input power dynamic range advantage is found for amplification of phase-encoded signals with quantum dot SOA compared to low confinement bulk SOA. The effect is attributed to differences in th...